.content {
  // border: 1px solid #000;
  box-sizing: border-box;
  width: 1200px;
  min-width: 1200px;
  margin: 0 auto;

  .left {
    float: left;
    height: 100%;
  }

  .right {
    float: right;
    height: 100%;
  }

  &::after {
    content: "";
    display: block;
    clear: both;
  }
}

// @media only screen and (min-width: 2200px) {
//   .content {
//     width: 1920px;
//   }
// }